Data as of Nov 3, 2026
72.166.43.0/24
No anonymizer space · no proxy exits in 30 daysFresenius Medical Care Holdings, Inc · space held by CenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.166.0.0/16 since May 2006 | AS209 | Residential | 4 2 always on | CenturyLink Communications, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 72.164.0.0 - 72.166.255.255 | 196,608 | CENTURYLINK-LEGACY-QWEST-INET-37 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Oct 28, 2005 | [email protected] |
| └ 72.166.43.0/24 | 256 | Q0222-72-166-43-0 | Fresenius Medical Care (FMC-208) · US | Reassigned | Feb 22, 2013 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- CenturyLink Communications, LLC
- Handle
- CCL-534
- Range
- 72.164.0.0 - 72.166.255.255
- Registration type
- Direct Allocation
- Record created
- Oct 28, 2005
Origin network
AS27015
US
- Name
- Fresenius Medical Care Holdings, Inc
- Type
- Business
- Registered
- Jul 29, 2015
- Domain
- freseniusmedicalcare.com
- Industry
- Health Care Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2013
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 72.166.43.0/24
- Netname
- Q0222-72-166-43-0
- Registrant
- Fresenius Medical Care
- Organization
- Fresenius Medical Care (FMC-208)
- Org address
- 32 HARTWELL AVE, LEXINGTON, MA, 02421
- Org country
- US
- Type
- Reassigned
- Handle
- NET-72-166-43-0-1
- Parent
- NET-72-164-0-0-1
- Created
- Feb 22, 2013
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 28, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- HARVEY, DAN
- Phone
- +1-781-676-6533
- Handle
- HARVE23-ARIN